hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 52

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HM5216805 Series, HM5216405 Series
Read/Burst Write Cycle
52
A11(BS)
A11(BS)
Address
Address
(output)
(output)
I/Q
I/Q
/DQML
/DQML
DQMU
DQMU
(input)
(input)
I/Q
I/Q
CKE
RAS
CAS
CKE
RAS
CAS
CLK
WE
WE
CS
CS
V
IH
Bank 0
Active
Bank 0
Active
R:a
R:a
0
1
2
Bank 0
Read
Bank 0
Read
C:a
C:a
3
4
Bank 1
Active
Bank 1
Active
R:b
R:b
5
a
a
6
a+1
a+1
7
Suspend
Clock
a+2
8
a+3
9
a+3
10
Bank 0
Write
Bank 0
Write
C:a
11 12
a
C:a
a+1
a
a+1
a+2
13 14
a+2
a+3
a+3
15
16
Bank 0
Precharge
Bank 0
Precharge
Read/Burst write
RAS-CAS delay = 3
CAS Latency = 4
Burst Length = 4
17 18
= V
IH
Bank 1
Precharge
or V
19
IL
20